3e83ccce9f
Change-Id: I971b7b61f09902d12c63b160e8b0dd9a7eb9ef51 Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
75 lines
2.0 KiB
Python
Executable File
75 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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import json
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import os
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import sys
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from time import sleep
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from subprocess import check_output
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rpc_py = os.path.dirname(os.path.realpath(__file__)) + '/../../../scripts/rpc.py'
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class spdk_rpc(object):
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def __init__(self, rpc_py):
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self.rpc_py = rpc_py
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def __getattr__(self, name):
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def call(*args):
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cmd = "python {} {}".format(self.rpc_py, name)
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for arg in args:
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cmd += " {}".format(arg)
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return check_output(cmd, shell=True)
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return call
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if __name__ == '__main__':
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if (len(sys.argv) < 2) or (sys.argv[1] != "idle" and sys.argv[1] != "active"):
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print "must specify \"idle\" or \"active\""
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sys.exit(1)
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rpc = spdk_rpc(rpc_py)
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idle = 0
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active = 0
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# capture connection state 10 times, 10 ms apart and keep a
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# a running count of how many connections were found idle
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# and active
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for i in range(10):
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conns = json.loads(rpc.get_iscsi_connections())
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num_conns = len(conns)
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for conn in conns:
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if conn['is_idle'] == 1:
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idle += 1
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else:
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active += 1
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# sleep 10ms
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sleep(0.01)
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active_pct = float(active) / (idle + active)
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# even when there is no active I/O on a connection, there could be
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# a nopin/nopout being processed which causes a connection to
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# temporarily go active; also even when fio is actively running
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# there could be a brief period of time where the initiator has
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# no active I/O to some connection
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#
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# so do not enforce that *all* connections must be idle or active;
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# allow for some percentage of anomalies
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anomaly_pct_allowed = 0.10
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print "active = {}".format(active)
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print "idle = {}".format(idle)
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print "active_pct = {}".format(active_pct)
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if sys.argv[1] == "idle" and active_pct > anomaly_pct_allowed:
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sys.exit(1)
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if sys.argv[1] == "active" and active_pct < (1.00 - anomaly_pct_allowed):
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sys.exit(1)
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sys.exit(0)
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